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Bryant 591B User Manual

Page 10

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24 VAC HOT

R

C

W/W1

Y/Y2

G

R

DH

W2

W1

Y/Y2

BRYANT

NON-PROGRAMMABLE

THERMOSTAT

MODEL AC

FK4C

FAN COIL

AIR

CONDITIONER

C

INDOOR FAN

HEAT STAGE 1

COOL STAGE 1

24 VAC COM

Y1

C

SEE

NOTE 2

G

O

J2 JUMPER

J1 JUMPER

A97363

24 VAC HOT

R

W

Y

G

R

DH

W1

W2

Y/Y2

OTHER

NON-PROGRAMMABLE

AC THERMOSTAT

FK4C

FAN COIL

AIR

CONDITIONER

C

INDOOR FAN

HEAT STAGE 1

COOL STAGE 1

Y1

C

SEE

NOTE 2

G

O

J1 JUMPER

J2
JUMPER

A97365

24 VAC HOT

R

G

W/W1

Y/ Y2

O/W2

R

DH

W1

W2

Y/ Y2

C

B

S1

S2

BRYANT

PROGRAMMABLE

THERMOSTAT

MODEL AC

FK4C

FAN COIL

AIR

CONDITIONER

G

Y1/ W2

L

INDOOR FAN

HEAT STAGE 1

COOL STAGE 1

NOT USED

24 VAC COM

NOT USED

NOT USED

NOT USED

OPTIONAL
OUTDOOR
SENSOR
CONNECTION

C

Y1

O

C

SEE

NOTE 2

J2 JUMPER

J1 JUMPER

A97364

NOTES:

1. BRYANT THERMOSTAT WIRING DIAGRAMS ARE ONLY ACCURATE FOR MODEL NUMBERS TSTAT _ _ _ _ _ _ _.

2. WIRING MUST CONFORM TO NEC OR LOCAL CODES.

3. SOME UNITS ARE EQUIPPED WITH PRESSURE SWITCH(ES), TEMPERATURE SWITCH, OR 5-MINUTE COMPRESSOR

CYCLE PROTECTION. CONNECT 24V FIELD WIRING TO FACTORY-PROVIDED STRIPPED LEADS.

4. A LIQUID-LINE SOLENOID VALVE IS REQUIRED ON SOME UNITS. SEE SPECIFIC UNIT INSTRUCTIONS.

5. THERMOSTATS ARE FACTORY CONFIGURED WITH 5-MINUTE COMPRESSOR CYCLE PROTECTION AND 4 CYCLES PER

HOUR LIMIT. SEE THERMOSTAT INSTALLATION INSTRUCTIONS FOR DETAILS.

6. TO STAGE ELECTRIC RESISTANCE HEAT, CONSULT OUTDOOR THERMOSTAT INSTALLATION INSTRUCTIONS.

Fig. 10—Typical 24v Circuit Connections (Continued)

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